hijiki (hijikini), hijikini, megurine luka, vocaloid, bad id, bad pixiv id, 1girl, alternate costume, bare shoulders, black choker, black dress, black hairband, blue eyes, breasts, choker, cleavage, collarbone, dress, female focus, floating hair, grey background, hair between eyes, hairband, long hair, looking at viewer, medium breasts, off-shoulder dress, off shoulder, parted lips, pink hair, serious, simple background, solo, straight hair